Home / 5,814.90-8,721.87-1,918.26

Finding the Fourth Proportional to 5,814.90, 8,721.87 and 1,918.26

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Solution

The fourth proportional to 5,814.90, 8,721.87 and 1,918.26 is: 2,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.90 : 8,721.87 = 1,918.26 : x
  2. Step 2: Convert to fraction form
    5,814.90/8,721.87 = 1,918.26/x
  3. Step 3: Cross multiply
    5,814.90x = 8,721.87 × 1,918.26
  4. Step 4: Simplify right side
    5,814.90x = 16,730,814.35
  5. Step 5: Solve for x
    x = 16,730,814.35/5,814.90
  6. Step 6: Final answer
    x = 2,877.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.